package org.example.test;

public class WEN {
    public static void main(String[] args) {
        String s="sss" +
                "bbb" +
                "cccc";
        String s2=s+"qqqq";
        System.out.println(s);
        System.out.println(s2);

        StringBuffer sb = new StringBuffer();
        sb.append("aaa");
        sb.append("bbb");
        sb.append("ccc");
        System.out.println(sb);
    }
}
